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Autonomous System

AS398275

Yavapai County Free Library District

Announced IPs
256
CIDR prefixes
1
ASN
AS398275

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
64.187.111.0/24 256
4.3%
Yavapai County Free Library District US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS398275 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
64.187.111.0/24 9,235 2026-07-23 20:05:09

Frequently Asked Questions

What is AS398275?

AS398275 is an Autonomous System Number assigned to Yavapai County Free Library District. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS398275 announce?

AS398275 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS398275?

AS398275 is operated by Yavapai County Free Library District. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS398275 registered in?

AS398275 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 20:10:36 UTC
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